CN107339814A - Evacuated solar collector - Google Patents

Evacuated solar collector Download PDF

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Publication number
CN107339814A
CN107339814A CN201710596028.XA CN201710596028A CN107339814A CN 107339814 A CN107339814 A CN 107339814A CN 201710596028 A CN201710596028 A CN 201710596028A CN 107339814 A CN107339814 A CN 107339814A
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CN
China
Prior art keywords
metal
glass shell
chamber
glass
solar collector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201710596028.XA
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Chinese (zh)
Inventor
刘峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201710596028.XA priority Critical patent/CN107339814A/en
Publication of CN107339814A publication Critical patent/CN107339814A/en
Withdrawn legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/70Sealing means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00Solar heat collectors using working fluids
    • F24S10/40Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S70/00Details of absorbing elements
    • F24S70/10Details of absorbing elements characterised by the absorbing material
    • F24S70/12Details of absorbing elements characterised by the absorbing material made of metallic material
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems

Abstract

The invention discloses a kind of evacuated solar collector, including glass shell, the glass shell surrounds the accommodating chamber vacuumized, collecting core is provided with the accommodating chamber, the collecting core includes metal-cored, described metal-cored including metal heat-conducting tube, metal-cored inside the accommodating chamber is sealed in glass plate;The opening sealing of the glass plate and the glass shell connects or is welded to connect the closing accommodating chamber.The evacuated solar collector of the present invention, good sealing effect, it is not easy to lose empty, service life length.

Description

Evacuated solar collector
Technical field
The present invention relates to helioplant technical field, specifically, is related to a kind of evacuated solar collector.
Background technology
Existing solar thermal collector generally includes glass shell, forms closing chamber in glass shell, is set in closing chamber Collecting core is equipped with, collecting core is made of copper, aluminium, stainless steel and other metal materials, and collecting core is connected to the conductive fluid outside closing chamber Metal is responsible for, and closing chamber vacuumizes, heat-insulated to realize, collecting core and the end junction sealing of glass closing chamber connect.It is existing This solar thermal collector structure, because collecting core is made up of metal material, the coefficient of expansion of metal material and glass is not Together, when solar thermal collector absorbs solar energy expanded by heating, collecting core is different from the degrees of expansion of glass shell, can cause collection The sealing junction of hot core and glass shell produces crack gas leakage, the vacuum of closing chamber is easily lost sky, loses vacuum heat-insulation effect Fruit, cause the overall service life of solar thermal collector shorter.
The content of the invention
The technical problems to be solved by the invention are:A kind of good sealing effect is provided, it is not easy to sky is lost, service life length Evacuated solar collector.
In order to solve the above technical problems, the technical scheme is that:
Evacuated solar collector, including glass shell, the glass shell surround the accommodating chamber vacuumized, the receiving Intracavitary is provided with collecting core, the collecting core include it is metal-cored, it is described metal-cored including metal heat-conducting tube, inside the accommodating chamber It is metal-cored to seal in glass plate;
The opening sealing of the glass plate and the glass shell connects or is welded to connect the closing accommodating chamber.
Preferably, the accommodating chamber is single-chamber room.
Preferably, the one end open of the glass shell, the metal heat-conducting tube are stretched out outside the opening of the glass shell.
Preferably, the both ends of the glass shell are open respectively, and the glass is stretched out at the both ends of the metal heat-conducting tube respectively Outside the both ends open of glass shell.
Preferably, the metal heat-conducting tube includes some metal manifolds, and some metal manifolds are connected in series or simultaneously Connection is connected to metal supervisor.
Preferably, at least one of dividing plate is provided with the glass shell, the accommodating chamber is partitioned at least by the dividing plate Liang Ge sub-chamber, the glass plate include some branch's blocks that the corresponding sub-chamber is set, the end connection of branch's block There is sealing block, the opening sealing of the sealing block and the glass shell is connected or is welded to connect, each branch's block Corresponding to insertion in the sub-chamber, being sealed in each branch's block has the metal manifold, right on the glass shell Answer the exhaust nozzle being equipped with each sub-chamber for being vacuumized to the sub-chamber.
Preferably, one end of the glass shell is provided with opening, and described metal-cored one end sets the metal supervisor, institute One end of glass plate is stated to connect or be welded to connect by the sealing block sealing with the opening of the glass shell.
Preferably, the both ends of the glass shell are respectively equipped with opening, the both ends of the glass plate respectively with the glass The both ends open of shell is by the sealing block sealing connection or is welded to connect, and the metal-cored both ends are respectively equipped with metal Supervisor.
Preferably, the glass shell, which is provided with, is used for the exhaust nozzle that is vacuumized to the accommodating chamber, in the accommodating chamber Provided with getter.
Preferably, the surface of the glass plate is provided with absorption film.
After employing above-mentioned technical proposal, the beneficial effects of the invention are as follows:
The evacuated solar collector of the present invention, metal-cored to seal in glass plate, the surface of the glass plate is provided with suction Hotting mask;Glass plate connects or is welded to connect closing accommodating chamber with glass shell sealing.Such a knot of evacuated solar collector Structure, it is metal-cored to be wrapped in glass plate, make metal-cored completely isolated with vacuum space in glass shell, and opened with glass shell The glass plate connected at mouthful is identical with the material of glass shell, belongs to glass material together, the coefficient of expansion is identical, in solar thermal collector When absorbing solar energy expanded by heating, the parcel glass plate of collecting core is identical with the degrees of expansion of glass shell, makes the bag of collecting core With degree expand with heat and contract with cold the junction for wrapping up in glass plate and glass shell, it is not easy to crack gas leakage is produced, and due to metal-cored bag Be rolled in glass plate, make it is metal-cored completely isolated with vacuum space in glass shell, it is metal-cored with the junction of glass plate by The vacuum of vacuum chamber is not interfered with yet in crack caused by expansion, is avoided because degrees of expansion difference causes the vacuum of closing chamber Moment loses the problem of empty, extends the overall service life of solar thermal collector.In addition, metal-cored be wrapped in glass plate, make It is metal-cored to be not easy to snap and deform.
In the present invention, accommodating chamber is partitioned at least two sub-chamber, the structure of this multi-cavity, makes each sub-chamber small-sized Change, be easy to vacuumize, improve vacuum.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is the structural representation of the embodiment one of the evacuated solar collector of the present invention;
Fig. 2 is the structural representation of the glass shell in Fig. 1;
Fig. 3 is the structural representation of the collecting core in Fig. 1;
Fig. 4 is the structural representation of the embodiment two of the evacuated solar collector of the present invention;
Fig. 5 is Fig. 4 A-A to sectional view;
Fig. 6 is the structural representation of the glass shell in Fig. 4;
Fig. 7 is the structural representation of the collecting core in Fig. 4;
Fig. 8 is the structural representation of the embodiment three of the evacuated solar collector of invention;
Fig. 9 is the structural representation of the glass shell in Fig. 7;
Figure 10 is the structural representation of the collecting core in Fig. 7;
Figure 11 is the structural representation of the example IV of the evacuated solar collector of invention;
Figure 12 is the structural representation of the embodiment five of the evacuated solar collector of invention;
Figure 13 is the structural representation of the embodiment six of the evacuated solar collector of invention;
Figure 14 is the structural representation of the embodiment seven of the evacuated solar collector of invention;
In figure:1- glass shells;2- accommodating chambers;21- dividing plates;22- sub-chamber;3- exhaust nozzles;4- getters;5- thermal-arrests Core;51- glass plates;511- seals block;512- branches block;52- is metal-cored;521- metal manifolds;522- metals are responsible for;523- gold Belong to heat conducting pipe;53- absorption films.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
Embodiment one
Referring to the drawings 1, Fig. 2 and Fig. 3, the evacuated solar collector of the present embodiment, including glass shell 1, outside glass Shell 1 surrounds accommodating chamber 2, is provided with collecting core 5 in accommodating chamber 2, and collecting core 5 includes metal-cored 52, metal-cored including being led for circulation The metal heat-conducting tube of hydrothermal solution, metal-cored 52 inside accommodating chamber 2 seal in glass plate 51, and the surface of glass plate 51 is provided with heat absorption Film 53.
The opening sealing of glass plate 51 and glass shell 1 connects or is welded to connect closing accommodating chamber 2, glass shell 1 It is provided with the exhaust nozzle 3 for being used for vacuumizing to accommodating chamber 2.
In the present embodiment, accommodating chamber 2 is single-chamber room.Metal heat-conducting tube includes some metal manifolds 521, some metals Branch pipe 521 is connected in parallel to metal supervisor 522.
In order to keep the condition of high vacuum degree after closing in accommodating chamber 2, getter 4 is provided with accommodating chamber 2.
Embodiment two
Referring to the drawings 4, Fig. 5, Fig. 6 and Fig. 7, the evacuated solar collector of the present embodiment, including glass shell 1, glass Glass shell 1 surrounds accommodating chamber 2, collecting core 5 is provided with accommodating chamber 2, collecting core 5, which includes metal-cored 52, metal-cored 52, to be included being used for The metal heat-conducting tube of conductive fluid is filled, metal-cored 52 inside accommodating chamber 2 are sealed in glass plate 51, and the surface of glass plate 51 is set There is absorption film 53.
In the present embodiment, one end of glass shell 1 is provided with opening, and metal-cored 52 one end sets metal to be responsible for 522, metal Heat conducting pipe includes some metal manifolds 521, and some metal manifolds 521 are connected in series or be connected in parallel to metal supervisor 522.At least one of dividing plate 21 is provided with glass shell 1, accommodating chamber 2 is partitioned at least two sub-chamber 22 by dividing plate 21, in order to Strengthen compressive resistance, the roof and bottom wall of sub-chamber 22 can be waveform, and glass plate 51 includes some points that corresponding sub-chamber is set Bearing piece 512, the one end of branch's block 512 are connected with sealing block 511, and the opening sealing of sealing block 511 and glass shell 1 connects Or be welded to connect, each sub-chamber 22 is closed, each branch's block 512 is inserted in corresponding sub-chamber 22, each branch's block 512 Inside sealing has metal manifold 521.
Correspond on glass shell 1 or on sealing block 511 and be equipped with each sub-chamber 22 for being taken out to sub-chamber 22 very Empty exhaust nozzle 3.
Glass shell 1 can use waveform, be arc at corresponding each sub-chamber 22, such a structure bearing capacity is strong.When So, glass shell 1 can also be taken plate shaped.
In order to keep the condition of high vacuum degree after closing in sub-chamber 22, getter 4 can be set in each sub-chamber 22.
Embodiment three
Referring to the drawings 8, Fig. 9 and Figure 10, the evacuated solar collector of the present embodiment, including glass shell 1, outside glass Shell 1 surrounds accommodating chamber 2, collecting core 5 is provided with accommodating chamber 2, collecting core 5, which includes metal-cored 52, metal-cored 52, to be included being used to circulate Or the metal heat-conducting tube of conductive fluid is filled, metal-cored 52 inside accommodating chamber 2 are sealed in glass plate 51, the table of glass plate 51 Face is provided with absorption film 53.
Metal heat-conducting tube includes some metal manifolds 521, and some metal manifolds 521 are connected in series or are connected in parallel To metal supervisor 522.At least one of dividing plate 21 is provided with glass shell 1, accommodating chamber 2 is partitioned at least two points of chambers by dividing plate 21 Room 22, glass plate 51 include some branch's blocks 512 that corresponding sub-chamber is set, and the one end of branch's block 512 is connected with sealing block 511, the opening sealing of sealing block 511 and glass shell 1 is connected or is welded to connect, and closes each sub-chamber 22, Mei Gefen Bearing piece 512 is inserted in corresponding sub-chamber 22, and sealing has metal manifold 521 in each branch's block 512.The two of glass shell 1 End is respectively equipped with opening, and metal-cored 52 both ends are respectively equipped with metal supervisor 522.The both ends of glass plate 51 set sealing block respectively 511, connect or be welded to connect with sealing at the both ends open of glass shell 1 by sealing block 511, close each sub-chamber 22, correspond to the row being equipped with each sub-chamber 22 for being vacuumized to sub-chamber 22 on glass shell 1 or on sealing block 511 Valve.
In order to keep the condition of high vacuum degree after closing in sub-chamber 22, getter 4 can be set in each sub-chamber 22.
Example IV
Referring to the drawings 11, the evacuated solar collector of the present embodiment, including glass shell 1, glass shell 1 surround receiving Chamber 2, accommodating chamber 2 is interior to be provided with collecting core 5, and collecting core 5, which includes metal-cored 52, metal-cored 52, to be included being used for the metals of circulating heat conduction liquid Heat conducting pipe, metal-cored 52 inside accommodating chamber 2 seal in glass plate 51, and the surface of glass plate 51 is provided with absorption film 53.
In the present embodiment, one end of glass shell 1 is provided with opening, and metal heat-conducting tube includes being arranged at metal-cored 52 one end Two metals supervisor 522, in addition to two metal manifolds 521, one in two metals supervisors 522 is conductive fluid inlet pipe, Another is conductive fluid outlet pipe.Accommodating chamber 2 is partitioned at least two provided with least one of dividing plate 21, dividing plate 21 in glass shell 1 Individual sub-chamber 22, glass plate 51 include some branch's blocks 512 that corresponding sub-chamber is set, and the one end of branch's block 512 is connected with Block 511 is sealed, the opening sealing of sealing block 511 and glass shell 1 is connected or is welded to connect, and closes each sub-chamber 22, Each branch block 512 is inserted in corresponding sub-chamber 22, and sealing has metal manifold 521, each branch in each branch's block 512 Metal manifold 521 in block 512 is U-tube, and one end of U-tube is connected to the conductive fluid inlet pipe in metal supervisor 522, the other end It is connected to the conductive fluid outlet pipe of metal supervisor 522.
The exhaust nozzle 3 being equipped with each sub-chamber 22 for being vacuumized to sub-chamber 22 is corresponded on glass shell 1.
In order to keep the condition of high vacuum degree after closing in sub-chamber 22, getter 4 can be set in each sub-chamber 22.
Embodiment five
Reference picture 12, the structure of the structure and embodiment one of the present embodiment is essentially identical, and difference is:Metal manifold 521 are connected to metal supervisor 522.
Embodiment six
Referring to the drawings 13, the evacuated solar collector of the present embodiment includes the glass shell 1 of tubulose, and glass shell 1 encloses Into accommodating chamber 2, collecting core 5 is provided with accommodating chamber 2, collecting core 5 includes metal-cored, the metal-cored gold including for filling conductive fluid Belong to heat conducting pipe 523, the metal heat-conducting tube 523 inside accommodating chamber 2 is sealed in glass plate 51, and the surface of glass plate 51, which is provided with, absorbs heat Film 53.In the present embodiment, accommodating chamber 2 is single-chamber room.
The one end open of glass shell 1, metal heat-conducting tube 523 are stretched out outside the opening of glass shell 1.One end of glass plate 51 Sealing block 511 is provided with, by sealing one end sealing connection of block 511 and glass shell 1 or being welded to connect closing accommodating chamber 2, on glass shell 1 or sealing block 511 is provided with the exhaust nozzle 3 for being used for vacuumizing to accommodating chamber 2.
Embodiment seven
Referring to the drawings 14, the evacuated solar collector of the present embodiment includes the glass shell 1 of tubulose, glass shell 1 into Accommodating chamber, accommodating chamber 2 is interior to be provided with collecting core 5, and collecting core 5 includes metal-cored, the metal-cored metal including for circulating heat conduction liquid Heat conducting pipe 523, the part of metal heat-conducting tube 523 inside accommodating chamber 2 are sealed in glass plate 51, and the surface of glass plate 51, which is provided with, inhales Hotting mask 53.
In the present embodiment, accommodating chamber 2 is single-chamber room.
The both ends of glass shell are open respectively, and the both ends of glass plate 51 are respectively arranged with sealing block 511, and glass plate 51 passes through The both ends open sealing connection of sealing block 511 and glass shell 1 is welded to connect closing accommodating chamber 2, on glass shell 1 or Sealing block 511 is provided with the exhaust nozzle 3 for being used for vacuumizing to accommodating chamber 2.
The both ends of metal heat-conducting tube 523 are stretched out outside the both ends open of glass shell respectively.
Certainly, in actual production, those skilled in the art can make deformation, example according to the structure of the above embodiments Sealing block 511 such as multiple sub-chamber 22 can be structure as a whole, and can also correspond to each sub-chamber 22 and be independently arranged.It is in addition, multiple Sub-chamber 22 can be formed by the accommodating chamber interval of an entirety, or multiple single-chamber rooms independently set.
The also settable frame (not shown) of the surrounding of glass shell 1, can also be so that glass shell 1 is more firmly On frame and scuncheon glass shell bottom set insulation construction, strengthen overall heat insulation effect.
Citing described above for best mode for carrying out the invention, wherein the part do not addressed in detail is that this area is common The common knowledge of technical staff.Protection scope of the present invention is defined by the content of claim, any technology based on the present invention The equivalent transformation for enlightening and carrying out, also within protection scope of the present invention.

Claims (10)

1. evacuated solar collector, including glass shell, the glass shell surrounds the accommodating chamber vacuumized, the accommodating chamber Interior to be provided with collecting core, the collecting core is described metal-cored including metal heat-conducting tube including metal-cored, it is characterised in that:The appearance The metal-cored of intracavitary portion that receive is sealed in glass plate;
The opening sealing of the glass plate and the glass shell connects or is welded to connect the closing accommodating chamber.
2. evacuated solar collector as claimed in claim 1, it is characterised in that:The accommodating chamber is single-chamber room.
3. evacuated solar collector as claimed in claim 2, it is characterised in that:The one end open of the glass shell, institute Metal heat-conducting tube is stated to stretch out outside the opening of the glass shell.
4. evacuated solar collector as claimed in claim 2, it is characterised in that:Open respectively at the both ends of the glass shell Mouthful, the both ends of the metal heat-conducting tube are stretched out outside the both ends open of the glass shell respectively.
5. evacuated solar collector as claimed in claim 1 or 2, it is characterised in that:The metal heat-conducting tube includes some Root metal manifold, some metal manifolds are connected in series or are connected in parallel to metal supervisor.
6. evacuated solar collector as claimed in claim 5, it is characterised in that:It is provided with least together in the glass shell The accommodating chamber is partitioned at least two sub-chamber by dividing plate, the dividing plate, and the glass plate includes the corresponding sub-chamber and set Some branch's blocks put, the end of branch's block are connected with sealing block, the opening of the sealing block and the glass shell Sealing connection is welded to connect, corresponding to each branch's block insertion in the sub-chamber, in each branch's block Sealing has the metal manifold, corresponds to and is equipped with each sub-chamber for being vacuumized to the sub-chamber on the glass shell Exhaust nozzle.
7. evacuated solar collector as claimed in claim 6, it is characterised in that:One end of the glass shell is provided with and opened Mouthful, described metal-cored one end sets the metal supervisor, and one end of the glass plate and the opening of the glass shell are led to Cross the sealing block sealing connection or be welded to connect.
8. evacuated solar collector as claimed in claim 6, it is characterised in that:The both ends of the glass shell are respectively equipped with Opening, the both ends of the glass plate pass through the sealing block sealing connection or welded with the both ends open of the glass shell respectively Connect in succession, the metal-cored both ends are respectively equipped with metal supervisor.
9. evacuated solar collector as claimed in claim 1, it is characterised in that:The glass shell, which is provided with, to be used for institute The exhaust nozzle that accommodating chamber vacuumizes is stated, getter is provided with the accommodating chamber.
10. evacuated solar collector as claimed in claim 1, it is characterised in that:The surface of the glass plate is provided with heat absorption Film.
CN201710596028.XA 2017-07-20 2017-07-20 Evacuated solar collector Withdrawn CN107339814A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710596028.XA CN107339814A (en) 2017-07-20 2017-07-20 Evacuated solar collector

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Application Number Priority Date Filing Date Title
CN201710596028.XA CN107339814A (en) 2017-07-20 2017-07-20 Evacuated solar collector

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CN107339814A true CN107339814A (en) 2017-11-10

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CN201710596028.XA Withdrawn CN107339814A (en) 2017-07-20 2017-07-20 Evacuated solar collector

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110411040A (en) * 2019-07-24 2019-11-05 中国船舶重工集团公司第七一九研究所 A kind of solar cavity type receiver

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1435606A (en) * 2002-01-30 2003-08-13 潘戈 Staged heating solar water heater
CN201412980Y (en) * 2009-05-15 2010-02-24 李江华 Solar energy collector
CN203068826U (en) * 2013-01-30 2013-07-17 余华阳 Solar magnetic porcelain vacuum flat plate heat collector
CN203605491U (en) * 2013-12-03 2014-05-21 日出东方太阳能股份有限公司 Solar vacuum flat plate collector
CN207113255U (en) * 2017-07-20 2018-03-16 刘峰 Evacuated solar collector

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1435606A (en) * 2002-01-30 2003-08-13 潘戈 Staged heating solar water heater
CN201412980Y (en) * 2009-05-15 2010-02-24 李江华 Solar energy collector
CN203068826U (en) * 2013-01-30 2013-07-17 余华阳 Solar magnetic porcelain vacuum flat plate heat collector
CN203605491U (en) * 2013-12-03 2014-05-21 日出东方太阳能股份有限公司 Solar vacuum flat plate collector
CN207113255U (en) * 2017-07-20 2018-03-16 刘峰 Evacuated solar collector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110411040A (en) * 2019-07-24 2019-11-05 中国船舶重工集团公司第七一九研究所 A kind of solar cavity type receiver

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